code: def _default_function_params(self, layer):
      params = self._default_params(layer)
      params["config"] = f"config{layer.index}"
      params["input_t"] = layer.get_input_variable().type.name
      params["output_t"] = layer.get_output_variable().type.name
      params["input"] = layer.get_input_variable().name
      params["output"] = layer.get_output_variable().name
  
      return params
  
file_path: hls4ml/hls4ml/backends/template.py
imports: from hls4ml.model.optimizer.optimizer import OptimizerPass
label_desc: Use image node_id 2 for calling the FunctionCallTemplate obj's underlying member method code with example usage: obj._default_function_params(layer) and returns: params